Clastogenicity of sugar factory effluent using Allium assay
Abstract
In the current study, an attempt was made to assess the physicochemical parameters of distillery effluent and its cytotoxic effects on root tip cells of onion (Allium cepa L.). The Biochemical Oxygen Demand (BOD), Chemical Oxygen Demand (COD) and Total Dissolved Solids (TDS) were found to be very high in the effluent. The onion bulbs were treated with different concentrations of the distillery effluent (25, 50, 75 and 100%) at room temperature. The percentage mitotic index and relative division rate were found to be decreased significantly as the concentration of the effluent increased. On the other hand, mitotic inhibition percentage and relative abnormality rate were found to increase as the effluent concentration increased. The chromosomal abnormalities were found to be increased as the concentration of the effluent increased when compared to the control. The observed chromosomal abnormalities include sticky metaphase, disturbed chromosome, sticky telophase, multipolar chromosome, laggards, fragmented metaphase, fragmented anaphase, scattered anaphase and chromosomal bridge. From the present study, it can be concluded that higher concentrations of the effluent inhibit cell division when compared to the control.Â
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References
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